#include <stdio.h>

int Sum(int n)
{
  int i = 1;
  int sum = 0;

  for(;i <= n;i++)
  {
    sum += i;
  }
  return sum;

}
int main()
{
  printf("Hello Linux\n");

  int result = Sum(100);

  printf("result = %d\n",result);

  return 0;
}
